13100123140 has 48 divisors (see below), whose sum is σ = 29852665920. Its totient is φ = 4800032640.

The previous prime is 13100123131. The next prime is 13100123149. The reversal of 13100123140 is 4132100131.

It is an interprime number because it is at equal distance from previous prime (13100123131) and next prime (13100123149).

It is a super-2 number, since 2×13100123140² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13100123149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158250 + ... + 226369.

It is an arithmetic number, because the mean of its divisors is an integer number (621930540).

Almost surely, 2^13100123140 is an apocalyptic number.

13100123140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100123140 is an abundant number, since it is smaller than the sum of its proper divisors (16752542780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13100123140 is a wasteful number, since it uses less digits than its factorization.

13100123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384772 (or 384770 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13100123140 its reverse (4132100131), we get a palindrome (17232223271).

The spelling of 13100123140 in words is "thirteen billion, one hundred million, one hundred twenty-three thousand, one hundred forty".